Abstract

The sponge Neoguadalupia oregonensis new species is described from the Upper Triassic Martin Bridge Formation in the southern Wallowa Mountains. Oregon. It is the first authenticated Triassic occurrence of the genus Neoguadalupia, previously known from the Permian of South China and suspected to occur in Upper Triassic of Nevada. This discovery provides evidence at the generic level of survival of a Lazarus taxon in an island-arc terrane of western North America.

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